cas 51356-03-7, 2-CHLOROMETHYL-4,5-DICHLOROPYRIDAZIN-3(2H)-ONE | Articles data ｜lookchem

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51356-03-7

Articles about 51356-03-7Total 1 be found

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Synthesis and photophysical properties of N-styrylazinones
(Chemical Equation Presented) N-Styrylazinones and 1-styrylbenzotriazine were synthesized, and their photophysical properties were investigated. (Z)- and/or (E)-N-Styrylazinones (or azine) 4 were prepared from the corresponding heterocycles 1 and benzaldehyde (3) by four methods. The absorption maxima of (Z)- and/or (E)-4a - 4j were measured in four solvents. Their absorption maxima showed a moderate dependence upon solvents. The absorption maxima of (Z)-isomers were blue-shifted as compared the corresponding (E)-isomers. Emission maxima, fluorescence band half-widths, 0,0 transition energies, Stokes shifts, and quantum yields of (Z)- and/or (E)-4a, 4b, 4d, 4e and 4j were measured in organic solvents. The fluorescence spectra show moderate solvatochroism. The fluorescence properties of N-styrylheterocycles vary with every heterocycles.
Cho, Su-Dong,Hwang, Jaeyoung,Kim, Ho-Kyun,Yim, Heung-Sup,Kim, Jeum-Jong,Lee, Sang-Gyeong,Yoon, Yong-Jin
p. 951 - 960
(2008/03/29)

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Chemical Properties

Melting Point: 69-70 °C(Solv: ethyl ether (60-29-7); hexane (110-54-3))
Boiling Point: 239.8±50.0 °C(Predicted)
Density: 1.70±0.1 g/cm3(Predicted)
PKA: -4?+-.0.20(Predicted)
PSA: 34.89000
LogP: 1.74640

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